Papers by Author: Xiao Hu

Abstract: The paper introduces 3 types of uniaxial stress-strain relationships of concrete filled steel tube by Pan Youguang, Susantha and Saenz, and performs finite element analyses of the axial strengths of 18 CTRC columns, studies the characters of three models, and comprises between the axial strengths from FEA and existed experiments. Results show these 3 types of model are all suitable for bearing analysis, but Pan’s model is more accurate.

Abstract: In this paper, seismic behavior of the frame-shear wall structure, which are respectively composed of the concrete filled steel tubular (CFST) and of the reinforced concrete (RC) column, have been studied under the conventional earthquake. Dynamic behaviors and earthquake responses including deformation and forcing of the CFST and RC structures are analyzed. Comparing the calculation results, the earthquake resistant behavior of the CFST structure has been evaluated synthetically, which may be referential for structure design.

Abstract: .In this paper, seismic behaviors of the frame-shear wall structure, which are composed of the concrete filled steel tubular (CFST) column, have been studied. Dynamic behaviors and earthquake responses of the CFST under rare earthquake are analyzed. Comparing the calculation results, the earthquake resistant behavior of the CFST structure has been appraised synthetically, which may be referential for structural design.

Abstract: In the interest of forecasting and alarming system of rainfall landslides, the Boji stones landslide of Three Gorges is taken into researching. On basis of the model, its epitomized model is formed to analyze the landslide mechanism and damage model by taking them into consideration: water-level fluctuation in reservoir, rainfall intensity, rainfall capacity and soil mass mechanical property, and decide current stability, predict its tendency and potential risks through applying the monitoring data and quantitative analysis. The research indicates that Boji stone landslide in flowing reservoir is in stability without any extra dynamic

Abstract: Due to the applicable installation height, small mass, flexible characteristic, and small damp, the adherent billboard could easily result in vibration with the wind effect. The main factor is the turbulence among the cause effects. Combining the structural dynamic theory, and considering the characteristic of the adherent billboard, a wind effect calculation formula is set up considering the turbulent wind that is resulted by the 1st vibration type. Hope to provide some reference for similar structure designs.

Abstract: Two dynamic numerical simulation models of horizontal bedded rocky slopes were established with Finite Element Analysis (FEA) according to the archetype of rock slope in “5.12” Wenchuan earthquake, and the simulation was validated with a shaking table model test. In the two models, one named A is the upper is hard and the bottom soft rock, and the other named B is the upper is soft rock while the bottom is hard. The result indicates that there exists amplification effect on elevation in both slopes under horizontal earthquake wave, the amplification factor of PGA in model A is larger than that in model B following the increase of the amplitude and the duration, and the slope displacement in model A is also larger than that of model B in the effect of the amplitude, frequency or duration. These show that model A is in disadvantageous compared to model B, and the stability destroy is produced easily in model A.

Abstract: Abstract. As the concrete filled steel tubular has a higher loading capacity, smaller section, stronger rigidity, better deformation and capacity of absorbing energy, besides of its easier construction without formworks, it has a perfect perspective of landslide treatment engineering, while served for anti-slide pile. This paper introduced concrete filled steel tubular briefly, focused on computing formulas of loading capacity and rigidity, and provides references to design of in landslide treatment.

Abstract: The formula to calculate the stability of the unit glass curtain wall (UGCW) is given on the theory of the structure stability is applied to analyze the whole stability of the frame of the UGCW and the calculation formula is provided. Due to the special structure form of the vertical column of the UGCW the formula is given to calculate the critical moment of the vertical column when torsional and flexural buckling occur, and then, the design basis is provided for reasonable and safe design of the UGCW.

Abstract: Due to the applicable installation height, small mass, flexible characteristic, large span, so the unit glass curtain wall (UGCW) could be differ from the glass curtain wall of frame members. Based on the characteristic of UGCW, analysis the load of UGCW and building the formula of static wind load, Earthquake Action, Temperature Function etc. The formula to calculate the load of the unit glass curtain wall (UGCW) is given on the base of analyzing the acting load and the mechanism of force transfer of the UGCW in service condition. Hope to provide some reference for similar designs.

Abstract: Due to the applicable installation height, small mass, flexible characteristic, large span, and small damp, the unit glass curtain wall (UGCW) could easily result in vibration with the wind effect. The main factor is the turbulence among the cause effects. Combining the structural dynamic theory, and considering the characteristic of the UGCW, a wind effect calculation formula is set up considering the turbulent wind that is resulted by the 1st vibration type. Hope to provide some reference for similar designs.